878
CDUS46 KMTR 170834
CLISFO
CLIMATE REPORT
NATIONAL WEATHER SERVICE SAN FRANCISCO BAY AREA
134 AM PDT FRI APR 17 2026
...............................
..THE SAN FRANCISCO AIRPORT CLIMATE SUMMARY FOR APRIL 16 2026
CLIMATE NORMAL PERIOD: 1991 TO 2020
CLIMATE RECORD PERIOD: 1927 TO 2026
WEATHER ITEM OBSERVED TIME RECORD YEAR NORMAL DEPARTURE LAST
VALUE (LST) VALUE VALUE FROM YEAR
NORMAL
...............................................................
TEMPERATURE (F)
YESTERDAY
MAXIMUM 67 1:08 PM 81 1999 66 1 62
MINIMUM 50 6:00 AM 40 1975 49 1 53
AVERAGE 59 57 2 58
PRECIPITATION (IN)
YESTERDAY 0.00 0.64 2000 0.05 -0.05 0.00
MONTH TO DATE 2.19 0.92 1.27 0.33
SINCE OCT 1 18.34 18.47 -0.13 15.96
SINCE JAN 1 9.49 11.50 -2.01 7.40
SNOWFALL (IN)
YESTERDAY MM 0.0
MONTH TO DATE T
SINCE MAR 1 T
SINCE JUL 1 T
DEGREE DAYS
HEATING
YESTERDAY 6 8 -2 7
MONTH TO DATE 90 131 -41 118
SINCE MAR 1 192 427 -235 434
SINCE JUL 1 1540 2106 -566 1967
COOLING
YESTERDAY 0 0 0 0
MONTH TO DATE 3 0 3 0
SINCE MAR 1 36 1 35 3
SINCE JAN 1 37 1 36 3
...............................................................
WIND (MPH)
RESULTANT WIND SPEED 12 RESULTANT WIND DIRECTION NW (300)
HIGHEST WIND SPEED 24 HIGHEST WIND DIRECTION W (290)
HIGHEST GUST SPEED 30 HIGHEST GUST DIRECTION W (290)
AVERAGE WIND SPEED 13.4
SKY COVER
POSSIBLE SUNSHINE MM
AVERAGE SKY COVER 0.3
WEATHER CONDITIONS
THE FOLLOWING WEATHER WAS RECORDED YESTERDAY.
FOG
HAZE
RELATIVE HUMIDITY (PERCENT)
HIGHEST 93 12:00 AM
LOWEST 30 12:00 PM
AVERAGE 62
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THE SAN FRANCISCO AIRPORT CLIMATE NORMALS FOR TODAY
NORMAL RECORD YEAR
MAXIMUM TEMPERATURE (F) 66 83 2016
MINIMUM TEMPERATURE (F) 49 40 1963
SUNRISE AND SUNSET
APRIL 17 2026.........SUNRISE 6:32 AM PDT SUNSET 7:47 PM PDT
APRIL 18 2026.........SUNRISE 6:30 AM PDT SUNSET 7:48 PM PDT
- INDICATES NEGATIVE NUMBERS.
R INDICATES RECORD WAS SET OR TIED.
MM INDICATES DATA IS MISSING.
T INDICATES TRACE AMOUNT.
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